Home / 93,988.33-140,947.80-40,688.08

Finding the Fourth Proportional to 93,988.33, 140,947.80 and 40,688.08

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Solution

The fourth proportional to 93,988.33, 140,947.80 and 40,688.08 is: 61,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,988.33 : 140,947.80 = 40,688.08 : x
  2. Step 2: Convert to fraction form
    93,988.33/140,947.80 = 40,688.08/x
  3. Step 3: Cross multiply
    93,988.33x = 140,947.80 × 40,688.08
  4. Step 4: Simplify right side
    93,988.33x = 5,734,895,158.78
  5. Step 5: Solve for x
    x = 5,734,895,158.78/93,988.33
  6. Step 6: Final answer
    x = 61,017.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.